84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* Copyright (C) 1996-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#ifndef _CHARMAP_H
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#define _CHARMAP_H
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#include <obstack.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "repertoire.h"
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#include "simple-hash.h"
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struct width_rule
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{
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struct charseq *from;
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struct charseq *to;
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unsigned int width;
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};
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struct charmap_t
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{
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const char *code_set_name;
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const char *repertoiremap;
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int mb_cur_min;
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int mb_cur_max;
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struct width_rule *width_rules;
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size_t nwidth_rules;
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size_t nwidth_rules_max;
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unsigned int width_default;
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struct obstack mem_pool;
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hash_table char_table;
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hash_table byte_table;
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hash_table ucs4_table;
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};
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/* This is the structure used for entries in the hash table. It represents
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the sequence of bytes used for the coded character. */
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struct charseq
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{
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const char *name;
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uint32_t ucs4;
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int nbytes;
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unsigned char bytes[];
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};
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/* True if the encoding is not ASCII compatible. */
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extern bool enc_not_ascii_compatible;
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/* Prototypes for charmap handling functions. */
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extern struct charmap_t *charmap_read (const char *filename, int verbose,
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int error_not_found, int be_quiet,
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int use_default);
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/* Return the value stored under the given key in the hashing table. */
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extern struct charseq *charmap_find_value (const struct charmap_t *charmap,
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const char *name, size_t len);
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/* Return symbol for given multibyte sequence. */
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extern struct charseq *charmap_find_symbol (const struct charmap_t *charmap,
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const char *name, size_t len);
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#endif /* charmap.h */
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